Table Of Contents - Porsche Cayenne V6 2008 Service Information

Table of Contents

Contents5
Engine8
Table Of Contents8
General8
Crankcase11
Crankshaft12
Torsional Vibration Balancer13
Connecting Rods13
Pistons13
Cylinder Head14
Technical Data, Valve Drive14
Oil Supply In The Cylinder Head15
Camshaft Control With Valve Lift Control15
Vane Controller16
Solenoid Hydraulic Valve17
Tappet Evolution18
Cylinder Head Design18
Scavenging Concept19
Check Valve19
Valves, Valve Springs20
Vacuum Pump20
Timing Drive Mechanism21
Camshafts With Cylinder Specific Cam Contours21
Sprocket22
Belt Drive22
Lubricating Oil System23
Oil Pump25
Turbo Oil Pump26
Reduction Of Friction Losses By Variable Oil Flow26
Oil Spray Jets27
Positive Crankcase Ventilation27
Positive Crankcase Ventilation – Naturally Aspirated Engine28
Positive Crankcase Ventilation - Turbo Engine28
Cayenne S Cooling System29
Cayenne Turbo Cooling System30
Fuel, Exhaust & Engine Electrics31
Direct Fuel Injection (Dfi)31
The Direct Fuel Injection System32
Start Phase Of Dfi Engines33
Catalytic Converter Heating Phase In Dfi Engines33
Upper Load Range Of Dfi Engines33
Piston Recesses In Dfi Engines33
Intake Manifold Injection34
Sport Button34
Cayenne V6 Dfi Engine35
Motronic Control Units Med 9.136
Piston Recesses37
Motronic Control Unit Ems Sdi 4.138
Cayenne V8 Dfi Engines38
Cayenne S Dfi Engine39
Piston Recess39
Turbo Dfi Engine39
Fuel Supply40
Functional Diagram Of The Low Pressure Side In The Fuel Tank41
Fuel High Pressure System In Dfi Engines42
Fuel High Pressure Pump42
V6 Dfi Engine42
Flow Control Valve For Fuel High Pressure43
Fuel Pressure Sensor43
Pressure Control Valve43
Two High Pressure Rails43
Fuel Injectors/High Pressure Injectors44
Fuel High Pressure System In V8 Dfi Engines45
Fuel Temperature Sensor45
V8 Naturally Aspirated Engine46
Bypass Valve47
High Pressure Line47
Central High Pressure Rail48
High Pressure Fuel Line48
Fuel Injector Retainer Components49
Fuel Injectors -V8 Naturally Aspirated Engine50
Fuel Injectors -V8 Turbo50
Retainers For Fuel Injectors51
Ignition System52
Knock Sensors52
Spark Plugs52
Ignition Coils52
V8 Dfi Engines53
Intake Air Side, Air Routing55
Intake System55
Long Intake Manifold For High Torque56
Short Intake Manifold For High Power56
Variable Intake System57
Pressure System59
Exhaust System, Emission Control61
Exhaust Manifold64
Turbocharger65
Boost Pressure Control65
Other Functions Of The Dme Control Unit66
Variocam Plus Control On V8 Dfi Engines66
Chassis67
Dynamic Chassis Control (Pdcc)68
Anti-Roll Bar With Swivel Motor71
Rear-Axle Valve Block72
Front-Axle Valve Block72
Tandem Pump73
Reservoir73
Dynamic Chassis Control Operation And Display Concept74
Dynamic Chassis Control Error Message/Fail-Safe Mode75
Tire Pressure Monitoring (2Nd Generation)76
Control Unit77
Input Signals Via Can77
Output Signals77
Triggers (Trigger Senders)77
Central Antenna78
Wheel Electronics78
Fast Detection Of A Wheel Change Without Re-Calibration79
Immediate Pressure Display At The Start Of Each Trip79
Fast Pressure Update Following Tire Pressure Adjustment79
Partial Monitoring (Chassis)80
Brake System81
Psm (Porsche Stability Management)83
Enhanced Braking Readiness83
Brake Assist83
Off-Road Abs83
Body84
Body Shell85
Body - Front86
Body - Rear87
Automatic Rear Lid88
Closing The Rear Lid Automatically89
Obstacle Detection While Opening The Rear Lid89
Obstacle Detection When Closing The Rear Lid89
Setting The Opening Height Of The Rear Lid90
Malfunction Of The Rear Lid Drive90
Rear Lid Emergency Operation90
System Overview91
Component Overview91
Hydraulic Operating Schematics (Rear Lid)92
Checking Hydraulic Oil Level93
Hydraulic Pump93
Airbags94
Electrics/Electronics95
Lighting System95
H7 Headlights96
Bi-Xenon Headlights96
Headlight Control Unit97
Dipped Beam97
High Beam, Auxiliary Main Beam, Headlight Flasher98
Cornering Light98
Static Cornering Light98
Dynamic Cornering Light100
Stepper Motors100
Automatic Range Adjustment101
Automatic Range Adjustment – Poor Road Surface/Off-Road102
Automatic Range Adjustment – Chassis Variants102
Coding102
Parameter Settings102
Bulb Failure103
Calibration103
Tail Lights104
Vehicle Electrical System Management105
Determining Battery Voltage105
Nominal Battery Voltage106
Determining The Vehicle Electrical System Status106
Division Of Functions For Control Units106
Vehicle Electrical System Control Unit107
Rear Seat Entertainment System108